This function only gets called while mesa is unloading, so there's
no potential of racing or multiple calls at the same time. So let's
just get rid of the locking.
Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>